Fiber bragg grating wavelength demodulator
A fiber grating and wavelength demodulation technology, which is applied in the direction of transmitting sensing components with optical devices, can solve the problems of small measurement range, unstable wavelength of outgoing light, and high cost, and achieve high wavelength demodulation accuracy and easy multi-channel operation , The effect of fast demodulation speed
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0031] Below in conjunction with accompanying drawing, the technical scheme of the present invention is described in further detail:
[0032] The invention relates to a fiber grating wavelength demodulator. like Figure 4 As shown, including broadband flat light source 1, circulator 2, fiber grating 3, beam splitter 4, several narrow-band transmission filters 5, 6, 7, 8, photodiodes 9, 10, 11, 12, transimpedance amplifiers 13, 14, 15, 16 and differential amplifier circuits 17, 18, 19; two adjacent narrow-band transmission filters 5, 6, 7, 8 have different inclination angles, and the corresponding amplifier and differential circuits 17, 18, 19 A wavelength demodulation channel is formed.
[0033] The filters are combined in pairs to form several channels. The photodiodes 9, 10, 11, 12 are InGaAs diodes. The optical signals of the narrow-band transmission filters 5 , 6 , 7 and 8 are received by the InGaAs diodes 9 , 10 , 11 and 12 and converted into current signals.
[0034...
PUM
Property | Measurement | Unit |
---|---|---|
wavelength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com